https://bugs.kde.org/show_bug.cgi?id=492113
Bug ID: 492113
Summary: [Crash] Touch gesture for "Sampling Color" in [Canvas
Input Setting] cause SAFE ASSERT warning and crash
Classification: Applications
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: Shortcuts and Canvas Input Settings
Assignee: krita-bugs-n...@kde.org
Reporter: ss93...@gmail.com
Target Milestone: ---
SUMMARY
On touch screen devices, Use "Two (or Three) finger drag" for sampling
foreground color cause three SAFE ASSERT warning popup, ignore them all and
krita just crash.
Crashlog from terminal
```
krita.input: KisAbstractInputAction "Alternate Invocation" tried to process
event data from an unhandled event type QEvent::TouchCancel
SAFE ASSERT (krita): "m_d->strokeId" in file
/builds/graphics/krita/libs/ui/tool/KisAsyncColorSamplerHelper.cpp, line 224
SAFE ASSERT (krita): "!m_sanityIsStarting" in file
/builds/graphics/krita/libs/global/kis_signal_compressor.cpp, line 210
SAFE ASSERT (krita): "m_d->strokeId" in file
/builds/graphics/krita/libs/ui/tool/KisAsyncColorSamplerHelper.cpp, line 224
Thread 1 "krita" received signal SIGSEGV, Segmentation fault.
0x00007ffff79b0d74 in KisAbstractShortcut::shortcutIndex() const ()
from /tmp/.mount_krita-rWENdf/usr/bin/../lib/libkritaui.so.20
```
Opensuse Leap 15.6
krita-5.3.0-prealpha-242de665a4-x86_64.appimage
STEPS TO REPRODUCE
1. On a touch Screen, Set Canvas Input Setting > Alternate Invocation > Gesture
| Two Finger Drag | Sampling Foreground Color
2. Draw on Canvas, and use gesture to sample color
3. Safe assert popup, ignore them all and crash
ADDITIONAL INFORMATION
Tested on Android 12 in early August "5.3.0-prealpha" build also has the same
issue.
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